package chapter7;

public class Demo1 {
    public static void main(String[] args) {
        String name1="马小云";
        int age1=18;
        String grade1="大一";
        int weight1=56;

        String name2="艾承旭";
        int age2=28;
        String grade2="老师";
        int weight2=80;
    }
}
